X-Git-Url: https://git.madduck.net/etc/offlineimap.git/blobdiff_plain/2fe7b5485cac1d59a5d0b3ab93a0d6688b4788df..92fd48ede228e9fdd93d57622bf86a584c66c25c:/.bin/offlineimap

diff --git a/.bin/offlineimap b/.bin/offlineimap
index c9f8b2a..5bf7e52 100755
--- a/.bin/offlineimap
+++ b/.bin/offlineimap
@@ -1,10 +1,18 @@
 #!/bin/sh
 set -eu
 
+VAR=$HOME/.var/offlineimap
+LOCKFILE="$VAR/.cron.lock"
+trap "rm -f $LOCKFILE" 0 1 2 3 4 5 6 7 8 10 11 12 13 14 15
+if ! lockfile -0 -r0 -l 3600 "$LOCKFILE" 2>/dev/null; then
+  echo "E: offlineimap is already running." >&2
+  exit 1
+fi
+
 if ! test -t 0; then
   echo Renicing because we are not run interactively… >&2
   renice 20 -p $$ >/dev/null
-  ionice -c2 -n7 -p $$
+  ionice -c3 -p $$
 fi
 
 ret=0